NTRBoot Released!

It's here!
ntrboot_checklist_2.png

Info

@Normmatt has created a way to run B9S .firm files from bootrom via a DSi Flashcard and a magnet! This works on every 3DS on any firmware version.

For installation without a PC, user @TheCyberQuake has created a pack which will automatically install B9S and copy over essential starter homebrew from the flashcard's SD to the 3DS's. This will mainly be used for PC-less B9S installations. If you have a PC with you, use 3ds.guide. Read more here: https://gbatemp.net/threads/481141/

How does this work?

This works because of a flaw in the bootrom. Before the bootrom boots the NAND, it checks to see if Start+Select+X is held down, and if the shell is closed. If these requirements are met, it will boot an NDS cartridge from the bootrom. This give that cartridge bootrom access. You might be wondering how you'd hold down buttons while the shell is closed, and why you need a magnet. If you put a magnet in a specific spot on the 3DS, it will go into sleep mode. Using this, you can boot the NDS cartridge with the buttons held down while in sleep mode! Using a reflashable flashcard, you can boot B9SInstaller using the flashcard, and easily install it on your 3DS.
The 2DS doesn't need a magnet since a switch puts it to sleep instead of a magnet.

What does this mean?

  1. Any 3DS model on any firmware can be hacked with minimal effort
  2. You can unbrick any 3DS model from any type of brick.
    - Remember, you don't need a NAND backup for this. Just do a CTRTransfer.
    - This does not apply to MCU bricks.
  3. Even consoles with fried NAND, or even the NAND chip physically removed, can use this
This is incredibly impressive stuff, and will most likely be released soon! edit: now!

FAQ

Q: Can Nintendo patch this?
A: Nope! Not without a new hardware revision.

Q: My flashcard is blocked by my firmware! Can I still use this?
A: Yes! The flashcard blacklist is not enabled on the bootrom.

Q: Why can't this work with my flashcard?
A: The installation requires you to flash NTRBoot to the flashcard's nand. Most DS flashcards, such as the original R4, have a ROM, which is not flashable.

Q: Can I install NTRBoot on my flashcard without another 3DS system?
A: If you can run NDS roms on your 3DS with it, then yes. If it's blocked on your 3DS version, then you'll need another 3DS system to use it.

Q: Will my 3DS flashcard work?
A: No, only the NDSi flashcards listed above.

Q: Will any other flash cards work?
A: Only the ones listed in the OP. However keep in mind that flashcards such as the DSTT, Supercard DS2 and R4 SDHC Dualcore are planned to be supported in the future.

Q: I tried to do this with my cartridge and it didn't work?
A: It doesn't work with regular DS cards.

Q: Can I unbrick from a ____ brick?
A: Considering the card has access to the bootrom, yes! This can unbrick any brick (except MCU), unless you've taken a knife to the motherboard.

Q: Can I install B9S on the latest firmware with this?
A: Again, since the card has access to the bootrom, you can do this easily! Just plug in your flashcard, boot up using the magnet and button combination, and install.

Q: Does this work on the New Nintendo 2DS XL?
A: Yes!

:arrow: Release
:arrow: Guide
:arrow: Free NTRBoot Flashing
:arrow: Free B9S Installations

Here is SciresM's post about this

Please see SciresM's presentation on bootromhax.
 
Last edited by Deleted member 381889,

The Catboy

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Except announcing progress would have nothing to do with online stores reflashing cards because they can't do this without an actual release. And regardless of if AK2i and DSTWO are announced as the only reflashable carts they'll still be in high demand when it's released. So neither of these benefits from not giving updates. You seem to be forgetting an update could be as simple as "Testing R4 compatibility".
It could though and honestly there's no reason to make anymore announcements. We know it works, we know some of the carts it works on, and now we know there are beta builds.
The most they could announce is working carts, but that could cause prices to go up with demand.
 

TheCyberQuake

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If only there was a tool that would allow you to overwrite data in an actual ds game cart, and actually flash one of those, its probably impossible though xD At least if it was possible, wouldn't there need to be an exploit in the game to allow it?
It is impossible, the memory in those are read-only memory (ROM).

--------------------- MERGED ---------------------------

It could though and honestly there's no reason to make anymore announcements. We know it works, we know some of the carts it works on, and now we know there are beta builds.
The most they could announce is working carts, but that could cause prices to go up with demand.
And they already announced they are working on trying to get more flashcarts working before release.
They haven't said much else because there isn't any more to say. They could say "we are trying to get this cart to work", or "This cart DOES work", but then that can inflate prices as people flock to buy compatible flashcarts. The same thing happened to cubic ninja when it came out. Was basically dirt cheap, and within hours prices skyrocketed due to demand. Everyone needs to just be patient. They are working on getting as many cards to work as they can. That's probably what is taking a while.
 
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GerbilSoft

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It is impossible, the memory in those are read-only memory (ROM).
There are a couple of DS titles that use NAND flash for both the game and save area, similar to Card2 3DS games. However, I believe the game area is write-protected, and it's either not possible or unknown how to unprotect it.
 

Shad0w136

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It is impossible, the memory in those are read-only memory (ROM).

--------------------- MERGED ---------------------------


And they already announced they are working on trying to get more flashcarts working before release.
They haven't said much else because there isn't any more to say. They could say "we are trying to get this cart to work", or "This cart DOES work", but then that can inflate prices as people flock to buy compatible flashcarts. The same thing happened to cubic ninja when it came out. Was basically dirt cheap, and within hours prices skyrocketed due to demand. Everyone needs to just be patient. They are working on getting as many cards to work as they can. That's probably what is taking a while.
Ah.. well that bites :|
 

TheCyberQuake

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It is impossible, the memory in those are read-only memory (ROM).

--------------------- MERGED ---------------------------


And they already announced they are working on trying to get more flashcarts working before release.
They haven't said much else because there isn't any more to say. They could say "we are trying to get this cart to work", or "This cart DOES work", but then that can inflate prices as people flock to buy compatible flashcarts. The same thing happened to cubic ninja when it came out. Was basically dirt cheap, and within hours prices skyrocketed due to demand. Everyone needs to just be patient. They are working on getting as many cards to work as they can. That's probably what is taking a while.
Forgot to mention not only are they working on getting other carts to work (which takes time), but they also have to write up and bug test installers for each (either one for each card or a universal installer). Which takes even more time.
 

annson24

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There's nothing wrong with the FAQs, since there's no update with the topic whatsoever there's really no reason for the FAQs to update so. And there isn't anything more to discuss, that's why instead of asking for ETAs, people here are just having fun having random discussions that still have a slight connection with the topic. Some people just want to act as mods trying to stop the discussions.

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democracy

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Can't wait for a beta or pre-release, even if the card can't be restored, yet...
don't think that'll happen, nearly 2 months have passed since this thread has been created and no realease yet.... but by some unknown force.... thread remains on 1st page of fw section.

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dpad_5678

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don't think that'll happen, nearly 2 months have passed since this thread has been created and no realease, yet by some unknown force, thread remains on 1st page of fw section.

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To be honest this thread should be locked, as it's constantly being bumped by when is this being released posts, and nothing important is being discussed here anyways. A MagnetHax/NTRBootHax Speculation thread could be created in the EoF, because there's no reason for this thread to always be on the front page, at least until it's released.
 

democracy

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To be honest this thread should be locked, as it's constantly being bumped by when is this being released posts, and nothing important is being discussed here anyways. A MagnetHax/NTRBootHax Speculation thread could be created in the EoF, because there's no reason for this thread to always be on the front page, at least until it's released.
agreed! I never understood before why XDA had implemented a "no place holder thread craete policy" but in scenarios such as this, it makes sense.

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failzers

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To be honest this thread should be locked, as it's constantly being bumped by when is this being released posts, and nothing important is being discussed here anyways. A MagnetHax/NTRBootHax Speculation thread could be created in the EoF, because there's no reason for this thread to always be on the front page, at least until it's released.

agreed! I never understood before why XDA had implemented a "no place holder thread craete policy" but in scenarios such as this, it makes sense.

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Funny, since the fuckers who keep complaining that people talk about the fuck they please are the ones who keep bumping the thread, and considering nobody else is crying but you people.
 

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